In the structure of H2CSF4, to decide the plane in which C = S is present the following bond angle value are given

Axial FSF angle idealised=180°                     170°

Equatorial FSF angle idealised=120°               97°

After deciding the plane of double bond, which of the following statements is correct?

(A) Two C-H bonds are in the same plane of axial S-F bonds.

(B) Two C-H bonds are in the same plane of equatorial S-F bonds.

(C) Total five atoms are in the same plane.

(D) Equatorial S-F bonds are perpendicular to plane of π bond.

Concept Questions :-

Hybridisation
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following are isoelectronic and isostructural ?

(A) NO2+, CO2                                     (B) NO3-,BF3

(C) NH3,CH-                                       (D) All of these

Concept Questions :-

Hybridisation
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In which of the following molecules / ions are all the bond angles not equal?

(A) SiF4                                                    (B) ICl4- 

(C) SF4                                                     (D) PCl4+

Concept Questions :-

Hybridisation
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


There is no S - S bond in :

(A) S2O32-                                                 (B) S2O42-

(C) S2O52-                                                 (D) S2O72-

Concept Questions :-

Covalent Bonding
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


What is the correct order from the weakest to the strongest carbon-oxygen bond for the following species? 

CO, CO2, CO32-, CH3OH

(A) CH3OH <CO32-<CO2<CO                         

(B) CO<CO2 <CO32-<CH3OH

(C) CH3OH <CO32-<CO<CO2                         

(D) CH3OH <CO2<CO32-<CO

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


According to Molecular orbital theory which of the following statement is incorrect?

(A) LUMO level for C2molecule is σ2px orbital.      

(B) In C2 molecules both the bonds π are bonds.

(C) C2 is paramagnetic but C22-is diamagnetic.     

(D) In C22- ion there is one σ and two π bonds.

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Match the ionization processes listed in column – I with the changes observed as listed in
column-II. For this use the codes given below:

       Column- I                                                                 Column - II

(a) N2 N2+                                 (p) Bond order increases and magnetic property is changed.

(b) O2+O22+                               (q) Bond order decreases and magnetic property is changed.

(c) B2B2+                                   (r) Bond order increases and magnetic property is not changed.

(d) NO-NO                                  (s) Bond order decreases and magnetic property is changed.

Note : Here change in magnetic property refers to change from diamagnetic to paramagnetic
or paramagnetic to diamagnetic. 

                          a      b          c        d
(A)                     s       b          c       d
(B)                     s       p          r       q
(C)                     r       q          s       p
(D)                     p       s         q       r

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A diatomic molecule has a dipole moment of 1.2 D. If its bond length is equal to 10 -10 m then the fraction of an electronic charge on each atom will be:

1. 42%                                               

2. 52%

3. 37%                                               

4. 25%

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Arrange the following molecules from most to least polar.

CH4              CF2Cl2             CF2H2            CCl4                CCl2H2I                         II                     III                   IV                        V

(A) III>V>II > IV=I                                  (B) II>IV>III>IV>I

(C) III>II>V>IV>I                                  (D) V>III>II>IV=I    

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following statements is correct?

(A) CH33 COH is less acidic than CH33 SiOH.

(B) Like CO, its analogue of Si is not stable.

(C) In phosgene, C-O bond length is longer than expected while C-Cl bond length is shorter.

(D) All of these

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: